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Bit Error Rate is Convex at High SNR

Loyka, Sergey and Kostina, Victoria and Gagnon, François (2009) Bit Error Rate is Convex at High SNR. . (Unpublished)

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Motivated by a wide-spread use of convex optimization techniques, convexity properties of bit error rate of the maximum likelihood detector operating in the AWGN channel are studied for arbitrary constellations and bit mappings, which may also include coding under maximum-likelihood decoding. Under this generic setting, the pairwise probability of error and bit error rate are shown to be convex functions of the SNR in the high SNR regime with explicitly-determined boundary. The bit error rate is also shown to be a convex function of the noise power in the low noise/high SNR regime.

Item Type:Report or Paper (Discussion Paper)
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URLURL TypeDescription Paper
Kostina, Victoria0000-0002-2406-7440
Record Number:CaltechAUTHORS:20190403-084738860
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94392
Deposited By: Tony Diaz
Deposited On:03 Apr 2019 16:15
Last Modified:03 Oct 2019 21:03

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